tuple concurrently updated

From: yamt(at)mwd(dot)biglobe(dot)ne(dot)jp (YAMAMOTO Takashi)
To: pgsql-novice(at)postgresql(dot)org
Subject: tuple concurrently updated
Date: 2011-01-17 00:00:07
Message-ID: 20110117000010.7E46A19CECC@mail.netbsd.org
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hi,

i often get the following when doing concurrent lowrite() to the same block.
is it an expected behaviour? at least it would be more helpful if it
returns a little more specific error than ERRCODE_INTERNAL_ERROR.

ERROR: tuple concurrently updated
STATEMENT: select lowrite(lo_open(16405,131072),'hoge');

YAMAMOTO Takashi

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